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Matches 1 - 50 out of 31,013

Document Document Title
WO/2018/069155A1
The invention relates to an electronics unit, in particular a power electronics unit, comprising a circuit substrate (2) on which an electric circuit (4) and an electric terminal (6) for the electric circuit (4) are disposed, the electri...  
WO/2018/070308A1
Provided is a drive circuit which drives so as to turn an IGBT on and off, is capable of positively biasing the IGBT without imparting an excessive electric field to the IGBT, and is also capable of reducing the short circuit capacity of...  
WO/2018/069077A1
The invention relates to a control system for a DC-to-DC converter. Variations in the input voltage of the DC-to-DC converter are compensated by means of an estimated value being calculated for the variations, and a control variable bein...  
WO/2018/070307A1
The present invention reduces switching loss when turning on an IGBT. To this end, a drive circuit for imparting a positive bias or negative bias to the gate of an IGBT and driving so as to turn the IGBT on and off is equipped with: a fi...  
WO/2018/071267A1
Systems and methods for high efficiency power conversion are provided. In one embodiment, a high efficiency electric power converter circuit comprises: an electric power converter that provides a first electric power output; a storage de...  
WO/2018/068843A1
A controller controlling the phase of a third harmonic component of a control signal (Uv_ref_tot) used for forming a waveform on an AC terminal of a phase leg comprises a third harmonic delay determining module (18) operative to obtain a...  
WO/2018/071903A1
In described examples, a circuit includes a signal generator (120) to generate an output signal to vary the switching frequency of a switching circuit (110) to mitigate noise in the switching circuit (110). The signal generator (120) inc...  
WO/2018/068136A1
A switch-mode power supply controller controls a circuit that includes a flyback- based, switch-mode power supply in the context of an input voltage source, a USB Type-C PD controller and an output load. The switch-mode power supply cont...  
WO/2018/069152A1
The invention relates to power electronics having a circuit carrier (2) and at least one coil (4.1), wherein the coil (4.1) is connected to the circuit carrier (2) in a current-conducting manner. In order to describe power electronics wh...  
WO/2018/067933A1
An AC power converter converts power from an AC power source to an AC load. A DC power holding source is coupled to an input half-bridge switch, a common half-bridge switch and an output half-bridge switch. A controller is coupled to at ...  
WO/2018/067936A1
An AC power converter converts power from an AC power source to an AC load. A DC power holding source is coupled to an input half-bridge switch, a common half-bridge switch and an output half-bridge switch. A controller is coupled to the...  
WO/2018/064884A1
Disclosed are a method and a device for supplying power to a mobile terminal. The method comprises: acquiring a first power supply signal outputted by a photoelectric conversion part, the photoelectric conversion part being connected to ...  
WO/2018/066165A1
According to the present invention, a first circuit (100) generates and outputs transmission signals to a first terminal (P1) and a second terminal (P2) of a first coil (11) in response to a change in the logic value of a first signal (I...  
WO/2018/061817A1
A gate driving circuit comprises: an on-voltage application unit that applies, to a gate terminal, an on-voltage equal to or greater than a threshold voltage; an on-voltage variation unit that varies the on-voltage; and an off-voltage ap...  
WO/2018/063450A1
Systems and methods for driving a low quiescent current DCDC converter are disclosed. An error threshold compensation circuit of the DCDC converter is configured to detect an output voltage of the DCDC converter, compare the output volta...  
WO/2018/061650A1
The present invention relates to recording of the state of a semiconductor element during operation of an electric power converting device provided with: a plurality of detecting units for detecting the state of the semiconductor element...  
WO/2018/061617A1
The purpose of the present invention is to provide a high-frequency power supply device that reduces fluctuations in output power. Provided is a high-frequency power supply device that comprises: a modulation circuit (002) that outputs a...  
WO/2018/060632A1
This method for determining at least one current setpoint (I * a , I * b , I * c ) from at least one voltage measurement (U ab ,U bc ,U ca ) from a rectifier (6) and at least one instantaneous active power setpoint (P req ) comprises a f...  
WO/2018/061403A1
The present invention is provided with a current source (30) that can generate current of a first compensation amount (i1) for performing at least one of reducing harmonic current and improving the fundamental wave power factor of an air...  
WO/2018/058819A1
Disclosed are a power limiting circuit of an inverter apparatus, and an inverter apparatus. The power limiting circuit comprises: a first logic judgement circuit for comparing an input current of an inverter circuit with a first pre-set ...  
WO/2018/060756A1
A controller including over-current protection operable with a switched-mode 5 power supply and method of operating the same. In an embodiment, the controller is configured to provide an over-current protection fault signal when an opera...  
WO/2018/058607A1
A power converter for converting an input power at an input of the converter to an output power at an output of the converter includes a power conversion circuit and a snubber circuit coupled to the power conversion circuit. The power co...  
WO/2018/058950A1
Disclosed is a power supply management circuit and an implementation method therefor. The circuit comprises: an oscillator circuit, a charge pump circuit and a negative feedback circuit. The oscillator circuit is connected to the charge ...  
WO/2018/059672A1
The present disclosure relates to a method of power unbalance compensation in a direct AC-to-AC Modular Multilevel Converter (MMC) (1) having a three- phase side connected to a three-phase AC network L having a first fundamental frequenc...  
WO/2018/061077A1
Provided is a low cost power conversion device having little energy loss. A power conversion device (100) is provided with: an inverter (20), etc., that performs power conversion; voltage dividing capacitors (Cdc1, Cdc2) connected to a d...  
WO/2018/060572A1
The invention relates to a method for controlling a power factor correction circuit for a battery charging device on board an electrical or hybrid motor vehicle, of the type capable of being connected to a three-phase power supply networ...  
WO/2018/061352A1
Provided is a control device (71) controlling the operation of an active filter (6) that is connected in parallel with a load (2) at an installation point (P) with respect to an AC power supply (1) and supplies a compensation current (Ic...  
WO/2018/053960A1
An absorption circuit, applied in a power supply circuit. The absorption circuit comprises a comparison unit (10) and a regulation unit (20). The comparison unit is used for receiving a voltage from a primary dotted terminal of a transfo...  
WO/2018/055900A1
The purpose of the present invention is to suitably control a switching element to an off state even in a case when a switching control signal is amplified, and the supply of power to a driving circuit transmitted to the switching elemen...  
WO/2018/057875A1
The maximum time that external components of a switch mode power supply overconduct is determined by an actual ambient temperature at which the devices are operating before they are turned on. Their operation time is thus extended when t...  
WO/2018/055864A1
This signal output circuit (3, 51, 62, 74, 82) controls the driving of an output transistor (T1, T71, T72, T81 through T86) to output a trapezoidal-wave output signal from a main terminal of the output transistor. The signal output circu...  
WO/2018/055089A1
The invention relates to a method for generating a multi-phase alternating electric current having a sinusoidal fundamental wave in each phase by means of a multi-phase inverter of a wind turbine. The multi-phase inverter is activated us...  
WO/2018/054042A1
A window type air conditioner, comprising a housing having an inner space, a volute (10) and a frequency converter (20); the volute (10) is disposed in the inner space, and the volute (10) forms a wind outlet duct (11) of the window type...  
WO/2018/056234A1
Provided are: a switching circuit device whereby efficiency can be improved; a step-down DC-DC converter using the switching circuit device; and an element unit suitable for the switching circuit device and the like. A step-down DC-DC co...  
WO/2018/057225A1
A system (100) that includes a regulator circuit (101) is disclosed. The regulator circuit includes first (201a) and second (201b) phase units whose outputs are coupled to a power supply node (204) of a circuit block, via respective coup...  
WO/2018/054543A1
The invention relates to a system and a method for operating a system, comprising a rectifier that can be supplied by an electric AC voltage supply system, an inverter that feeds an electric motor, and a DC-to-DC converter connected to a...  
WO/2018/054044A1
An absorption circuit, comprising: a switching power supply voltage spike suppression circuit (302), used for changing a switching power supply voltage spike into an expected voltage spike; an energy storage circuit (304), connected to t...  
WO/2018/056506A1
A voltage source converter according to an embodiment of the present invention is a voltage source converter for converting alternating current power into direct current power or direct current power into alternating current power, and c...  
WO/2018/058066A1
Voltage regulator systems include, in part, a regulator comprising an input terminal and an output terminal, wherein the regulator is configured to receive an input voltage from an adapter at the input terminal and provide an output volt...  
WO/2018/054544A1
The invention relates to a system and method for operating a system, comprising a first inverter that feeds a first electric motor, and a second inverter that feeds a second electric motor, wherein the DC voltage-side connection of the f...  
WO/2018/054287A1
A switch-tube driver circuit is provided, comprising: a first field effect tube, a control element, a first time delay circuit, and a second time delay circuit. The first time delay circuit comprises: a first resistor and a first capacit...  
WO/2018/056421A1
The present invention concerns a device for controlling the switching of a first and a second power semiconductor switches providing current to a load in a half bridge configuration. The device comprises: means for obtaining a first curr...  
WO/2018/055908A1
This semiconductor device is provided with: a plurality of switching elements (11, 12) that are electrically connected to each other in parallel; a control unit (30) that outputs control signals for controlling energizing currents of the...  
WO/2018/052985A1
A system and method for bilateral transfer of energy between a single or multi-phase alternating current source and either a monopolar or bipolar direct current source. There is a capacitive column which includes a number of series-conne...  
WO/2018/050256A1
A modular multilevel converter comprises a phase arm with cells organized into clusters and a converter control structure comprising a control objective control unit (12), at least one cluster selecting unit (14A, 4B) and cluster control...  
WO/2018/050847A1
A rectifier apparatus (20) for rectifying an m-phase AC signal, which comprises m rectifier circuits (40. m), where m is an integer ≥ 1. The m rectifier circuits (40. m) are arranged in parallel with one another and they comprise a ser...  
WO/2018/051084A1
A voltage reducing circuit (102) comprises a power switch circuit portion (105) comprising a high-side (128) and low-side (130) field-effect-transistors connected at a switch node (138). The power switch circuit portion has an on-state w...  
WO/2018/052516A1
An improved electronic oscillator circuit suitable for use in an isolating DC-to-DC converter circuit, and an improved isolating DC-to-DC converter circuit. In one embodiment, an integrated circuit coupled to a transformer includes an os...  
WO/2018/050732A1
The invention relates to a method for operating a current converter (8), in particular of an electric machine (2), in which, for the or for each semiconductor switch (22) of the current converter (8), a control signal (P') for setting a ...  
WO/2018/051086A1
A voltage reducing circuit 102 comprises a power switch circuit portion 105 comprising a high-side 128 and low-side 130 field-effect-transistors connected at a switch mode 138. The power switch circuit portion has an on-state wherein the...  

Matches 1 - 50 out of 31,013